7 calls to drupal_http_request()

aggregator_refresh in drupal-6.x/modules/aggregator/aggregator.module
Checks a news feed for new items.
openid_association in drupal-6.x/modules/openid/openid.module
Attempt to create a shared secret with the OpenID Provider.
openid_discovery in drupal-6.x/modules/openid/openid.module
Perform discovery on a claimed ID to determine the OpenID provider endpoint.
openid_verify_assertion in drupal-6.x/modules/openid/openid.module
Attempt to verify the response received from the OpenID Provider.
system_check_http_request in drupal-6.x/modules/system/system.module
Checks whether the server is capable of issuing HTTP requests.
_update_refresh in drupal-6.x/modules/update/update.fetch.inc
Fetch project info via XML from a central server.
_xmlrpc in drupal-6.x/includes/xmlrpc.inc
Execute an XML remote procedural call. This is private function; call xmlrpc() in common.inc instead of this function.